flask cbv加装饰器

cbv加装饰器

from flask import Flask
from flask.views import MethodView

app = Flask(__name__)

app.debug = True


### 登录认证--->不能公用--》要么只能给fbv用，要么只能给cbv用
def auth(func):
    def inner(*args, **kwargs):
        print(args) #cbv,会有第一个参数 self  # 如果是fbv，就是空的
        res = func(*args, **kwargs)
        print('装饰器走了')
        return res

    return inner


@app.route('/', endpoint='index')
@auth
def index():
    return 'hello flask'


class UserView(MethodView):
    decorators = [auth]  # 顺序从下往上
    methods=['POST']
    def get(self):
        return 'user-get'


app.add_url_rule('/user', endpoint='user', view_func=UserView.as_view('user'))
if __name__ == '__main__':
    app.run()